Leptospiral infection of apprarently normal pigs.
D000818:Animals; D007919:Leptospira / Q000145:classification / Q000302:isolation & purification*; D007922:Leptospirosis / Q000662:veterinary*; D012703:Serotyping; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology*